33398434 has 4 divisors (see below), whose sum is σ = 50097654. Its totient is φ = 16699216.

The previous prime is 33398429. The next prime is 33398437. The reversal of 33398434 is 43489333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32524209 + 874225 = 5703^2 + 935^2 .

It is a super-2 number, since 2×33398434² = 2230910787304712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33398393 and 33398402.

It is not an unprimeable number, because it can be changed into a prime (33398437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8349607 + ... + 8349610.

Almost surely, 2^33398434 is an apocalyptic number.

33398434 is a deficient number, since it is larger than the sum of its proper divisors (16699220).

33398434 is a wasteful number, since it uses less digits than its factorization.

33398434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16699219.

The product of its digits is 93312, while the sum is 37.

The square root of 33398434 is about 5779.1378249701. The cubic root of 33398434 is about 322.0391719637.

The spelling of 33398434 in words is "thirty-three million, three hundred ninety-eight thousand, four hundred thirty-four".